tf_ebs_bckup
a Lambda-powered EBS Snapshot Terraform Module
A Terraform module for creating a Lambda Function that takes automatic snapshots of of all connected EBS volumes of correspondingly tagged instances. The function is triggered via a CloudWatch event that can be freely configured by a cronlike expression.
Input Variables:
EC2_INSTANCE_TAG
- All instances with this tag be backed up. Default is"Backup"
RETENTION_DAYS
- Number of day the created EBS Snapshots will be stored, defaults to5
unique_name
- Just a marker for the Terraform stack. Default is "v1"`stack_prefix
- Prefix for resource generation. Default isebs_bckup
cron_expression
- Cron expression for CloudWatch events. Default is"22 1 * * ? *"
regions
- List of regions in which the Lambda function should run. Requires at least one entry (eg.["eu-west-1", "us-west-1"]
)
Outputs
Default outputs are aws_iam_role_arn
with the value of the created IAM role for the Lambda function and the lambda_function_name
Example usage
In your Terrafom main.tf
call the module with the required variables.
module "ebs_bckup" {
source = "github.com/kgorskowski/ebs_bckup"
EC2_INSTANCE_TAG = "Backup"
RETENTION_DAYS = 10
unique_name = "v2"
stack_prefix = "ebs_snapshot"
cron_expression = "45 1 * * ? *"
regions = ["eu-west-1", "eu-central-1"]
}